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New challenges to drinking water safety: how activated carbon technology addresses emerging pollutants
Release time:
2026-01-20 17:23
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With the advancement of analytical and detection technologies, an increasing number of trace chemicals beyond traditional monitoring have been discovered in rivers, lakes, and even drinking water. These substances are typically present at extremely low concentrations (from nanograms per liter to micrograms per liter), yet they possess potential for bioaccumulation and pose long-term ecological health risks. For instance, PFAS (perfluorinated chemicals) have become the subject of strict regulation in many European and American countries due to their extreme difficulty in degradation and treatment.
In this field, granular activated carbon (GAC) filters and powdered activated carbon (PAC) emergency dosing technology have proven to be effective barriers for removing various emerging pollutants. The core of their effectiveness lies in pore size matching and surface chemistry. For PPCPs with larger molecular weights, activated carbons with well-developed mesopores show better performance; whereas for polar molecules like PFAS, specific chemical properties on the activated carbon surface are required to enhance affinity.
Currently, the research and development (R&D) hotspots in the industry are focused on catalytically active carbons and composite materials. For instance, by loading nanoscale metal oxides onto the surface of activated carbons, organic pollutants can be catalytically degraded through pathways such as Fenton-like reactions while being adsorbed, thus avoiding the risk of secondary pollution after adsorption saturation. Furthermore, combining activated carbons with materials like carbon nanotubes and graphene aims to achieve faster adsorption kinetics and higher selectivity.
JiaYuan Company's Solution: Well aware that a "one-size-fits-all" product cannot solve all problems, JiaYuan Activated Carbon has established a comprehensive product grading and application simulation system. Our "Deep Purification" series of activated carbon, crafted from carefully selected raw materials and utilizing a stepwise activation process, aims to achieve a continuous gradient distribution from micropores to mesopores, thereby covering a wider range of pollutant molecular sizes. For special challenges such as PFAS, we offer surface modification services, enhancing the activated carbon's capture ability for specific target substances through chemical means. We not only provide products but also offer technical selection support based on raw water quality analysis, assisting water plants in designing the most cost-effective and efficient activated carbon dosing process and replacement cycle.
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